Remove implicit conversions from scoped_refptr to T* in gpu/

Remove implicit conversions from scoped_refptr to T* in gpu/

This patch was generated by running the rewrite_scoped_refptr clang tool
on an Android build.

BUG=110610
Committed: https://crrev.com/024576337382bdc13217025de4c65efb839335fb
Cr-Commit-Position: refs/heads/master@{#298345}

[dcheng, 2014-10-06 22:38:22]

dcheng@chromium.org changed reviewers:
+ jbauman@chromium.org

[jbauman, 2014-10-06 22:43:44]

lgtm

[dcheng, 2014-10-06 23:08:04]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-10-06 23:10:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/632863002/1

[commit-bot: I haz the power, 2014-10-07 01:48:17]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-10-07 01:48:18]

Exceeded time limit waiting for builds to trigger.

[dcheng, 2014-10-07 02:58:26]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2014-10-07 02:59:30]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/632863002/1

[commit-bot: I haz the power, 2014-10-07 03:13:47]

Committed patchset #1 (id:1) as 4f14317282b419b1e67bfb3607c0ea0d7903bb26

[commit-bot: I haz the power, 2014-10-07 03:14:55]

Patchset 1 (id:??) landed as
https://crrev.com/024576337382bdc13217025de4c65efb839335fb
Cr-Commit-Position: refs/heads/master@{#298345}